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Used Cars for Sale
GMC
Sierra 1500
SLE
Used GMC Sierra 1500 SLE for Sale in Longmont, CO
80501
Filters (4)
Items 1 to 2 of 12.
EV & Hybrid
Rear Wheel Drive
(1)
Leather Seats
(2)
6 Cylinder
(4)
Gray
(3)
2014 and older
(5)
1990 and newer
(26)
Black
(6)
AWD/4WD
(25)
Automatic
(26)
Premium Audio
(19)
Location & Delivery
Year
Price & Payments
Price selected
Price
Payment
Min Price
Max Price
Price Rating
Good Price
(3)
Great Price
(5)
Price selected
Price
Payment
Min Price
Max Price
Price Rating
Good Price
(3)
Great Price
(5)
Make, Model & Trim
GMC
Models
Sierra 1500
Acadia
(75)
Caballero
Canyon
(45)
Envoy
Envoy XL
Envoy XUV
G1500
G2500
G3500
(1)
Hummer EV
(7)
Jimmy
(1)
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
(3)
Savana 2500
(15)
Savana 3500
(13)
Savana 4500
(1)
Sierra 1500
(377)
Sierra 2500
(132)
Sierra 3500
(64)
Sierra EV
(1)
Sonoma
(1)
Suburban
Syclone
Terrain
(105)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(118)
Yukon XL
(78)
Sierra 1500 Trims
SLE
AT4
(64)
AT4X
(15)
C3
Carrera GTS
Classic
Classic Denali
Denali
(84)
Denali Ultimate
(20)
Elevation
(71)
Limited
Limited AT4
Limited Denali
Limited Elevation
Limited Pro
Limited SLE
Limited SLT
Pro
(11)
SL
SLE
(26)
SLT
(78)
Special
Sport
W/T
XFE
SLE Package
Any
SLE Value Package
(5)
SLE Convenience Package
(1)
Extended Cab SLE Value Package
Power Pack Plus
Texas Edition (Residency-Based Package)
(1)
Preferred Package
(2)
Black Pack
Laser Blue Metallic Special Edition
South Central Value Package
Onstar Plus Package
SLE2 Audio Package
SLE2 Preferred Package
Texas/Oklahoma/Louisiana SLE Package
Professional Package
Off-Road Package
LPO, Chrome Plus Package
SLE Fleet Preferred Package
Max Trailering Package
Snow Plow Prep Package
LPO, Assist Step and Tonneau Package
Seat, Cloth Rear With Storage Package, 60/40 Folding Bench
LPO, Deluxe Chrome Package
LPO, Bed Protection Package
Convenience Package
(1)
SLE/SLT Trailering Package
Off-Road Skid Plate Pkg
Sierra NFL Edition
(1)
Pro Grade Edition
Sierra Special Edition
Driver Alert Package II
LPO, Chrome Appearance Package
SLE Fleet Convenience Package
Chrome Essentials Package
LPO, Chrome Package
LPO, GMC Interior Protection Package
Elevation Edition
(2)
Enhanced Driver Alert Package
LPO, Cargo Convenience Package
LPO, Underbody Shield Package, Transfer Case Protection
Texas Edition
X31 Off-Road and Protection Package
(2)
Light Duty Power Package
(1)
SLT Marketing Option Pkg
Sierra Professional Pkg
EZ-Lift Tailgate Package
South-West SLE Extended Cab Package
Sierra Fleet Convenience Package
Suspension Package, Off-Road, For Base Decor Vehicles
X31 Off-Road Package
(2)
Regional Value Package
LPO, Performance Upgrade Package
LPO, Under Body Shield Package, Transfer Case Protection
Extended Cab Value Package
Convenience Plus Group
Sierra Performance Package
Limited Appearance Package
Sierra Limited Edition
LPO, Black Badging Package
Suspension Package, Off-Road
(4)
Laser Blue Special Edition
Remote Start Package
Carbon-22 Edition
Marketing Option Pkg
Firm Ride/Heavy Duty Suspension Pkg
Crew Cab Value Package
Comfort Group
Chrome Exterior Package
Snow Plow Prep Pkg
Suspension Package, Ride-Control, Manual Selectable
Body Color All-Terrain Package
LPO, On The Job Package
Driver Alert Package
Texas SLE Value Package
LPO, Protection Package
Driver Alert Package I
Mineral Green Metallic Edition
Deep Indigo Metallic Edition
(PDW) Pro Sport Package
Extended And Crew Cab South-West Sle Package
Off-Road Chassis Pkg
Texas/Oklahoma/Louisiana/California/Florida/ New Mexico SLE Package
Z71 Off-Road Package
Off-Road Pkg
Vortecmax Performance Pack
SLE White Diamond Edition
LPO, Essentials Package
SLE Preferred Package
Trailering Package, Heavy-Duty
All-Terrain Package
Regional Value Package (Residency-Based Package)
Mocha Steel Metallic Edition
Carbon-20 Edition
SLE1 Preferred Package
(1)
South-West SLE Extended And Crew Cab Package
Safe And Sound Package
California Package
Pro Sport Package
Skid Plate Pkg
Entertainment Package, RearSeat DVD Player With LCD Display and 2 Sets of Wireless Headphones
LPO, Utility Wall Package
Power Tech Package
Graphite Blue Metallic Edition
Skid Plate Package
(1)
Trailering Package
Fuel Economy Package
Max Trailering Pack
Enhanced Capability Package
Fleet Comfort Package
LPO, GMC Protection Package
(2)
Limited Personalization Option, Sierra Chrome Edition
Suspension Package, Off-Road"
Pro Grade Package
SLE1 Audio Package
Sierra Safety Plus Package
(1)
Entertainment Package
Kodiak 2.7L Promotional Package
Add Another Make
GMC
Models
Sierra 1500
Acadia
(75)
Caballero
Canyon
(45)
Envoy
Envoy XL
Envoy XUV
G1500
G2500
G3500
(1)
Hummer EV
(7)
Jimmy
(1)
Other GMC Models
S15 Jimmy
S15 Pickup
Safari
Savana 1500
(3)
Savana 2500
(15)
Savana 3500
(13)
Savana 4500
(1)
Sierra 1500
(377)
Sierra 2500
(132)
Sierra 3500
(64)
Sierra EV
(1)
Sonoma
(1)
Suburban
Syclone
Terrain
(105)
TopKick C4500
TopKick C5500
Typhoon
Yukon
(118)
Yukon XL
(78)
Sierra 1500 Trims
SLE
AT4
(64)
AT4X
(15)
C3
Carrera GTS
Classic
Classic Denali
Denali
(84)
Denali Ultimate
(20)
Elevation
(71)
Limited
Limited AT4
Limited Denali
Limited Elevation
Limited Pro
Limited SLE
Limited SLT
Pro
(11)
SL
SLE
(26)
SLT
(78)
Special
Sport
W/T
XFE
SLE Package
Any
SLE Value Package
(5)
SLE Convenience Package
(1)
Extended Cab SLE Value Package
Power Pack Plus
Texas Edition (Residency-Based Package)
(1)
Preferred Package
(2)
Black Pack
Laser Blue Metallic Special Edition
South Central Value Package
Onstar Plus Package
SLE2 Audio Package
SLE2 Preferred Package
Texas/Oklahoma/Louisiana SLE Package
Professional Package
Off-Road Package
LPO, Chrome Plus Package
SLE Fleet Preferred Package
Max Trailering Package
Snow Plow Prep Package
LPO, Assist Step and Tonneau Package
Seat, Cloth Rear With Storage Package, 60/40 Folding Bench
LPO, Deluxe Chrome Package
LPO, Bed Protection Package
Convenience Package
(1)
SLE/SLT Trailering Package
Off-Road Skid Plate Pkg
Sierra NFL Edition
(1)
Pro Grade Edition
Sierra Special Edition
Driver Alert Package II
LPO, Chrome Appearance Package
SLE Fleet Convenience Package
Chrome Essentials Package
LPO, Chrome Package
LPO, GMC Interior Protection Package
Elevation Edition
(2)
Enhanced Driver Alert Package
LPO, Cargo Convenience Package
LPO, Underbody Shield Package, Transfer Case Protection
Texas Edition
X31 Off-Road and Protection Package
(2)
Light Duty Power Package
(1)
SLT Marketing Option Pkg
Sierra Professional Pkg
EZ-Lift Tailgate Package
South-West SLE Extended Cab Package
Sierra Fleet Convenience Package
Suspension Package, Off-Road, For Base Decor Vehicles
X31 Off-Road Package
(2)
Regional Value Package
LPO, Performance Upgrade Package
LPO, Under Body Shield Package, Transfer Case Protection
Extended Cab Value Package
Convenience Plus Group
Sierra Performance Package
Limited Appearance Package
Sierra Limited Edition
LPO, Black Badging Package
Suspension Package, Off-Road
(4)
Laser Blue Special Edition
Remote Start Package
Carbon-22 Edition
Marketing Option Pkg
Firm Ride/Heavy Duty Suspension Pkg
Crew Cab Value Package
Comfort Group
Chrome Exterior Package
Snow Plow Prep Pkg
Suspension Package, Ride-Control, Manual Selectable
Body Color All-Terrain Package
LPO, On The Job Package
Driver Alert Package
Texas SLE Value Package
LPO, Protection Package
Driver Alert Package I
Mineral Green Metallic Edition
Deep Indigo Metallic Edition
(PDW) Pro Sport Package
Extended And Crew Cab South-West Sle Package
Off-Road Chassis Pkg
Texas/Oklahoma/Louisiana/California/Florida/ New Mexico SLE Package
Z71 Off-Road Package
Off-Road Pkg
Vortecmax Performance Pack
SLE White Diamond Edition
LPO, Essentials Package
SLE Preferred Package
Trailering Package, Heavy-Duty
All-Terrain Package
Regional Value Package (Residency-Based Package)
Mocha Steel Metallic Edition
Carbon-20 Edition
SLE1 Preferred Package
(1)
South-West SLE Extended And Crew Cab Package
Safe And Sound Package
California Package
Pro Sport Package
Skid Plate Pkg
Entertainment Package, RearSeat DVD Player With LCD Display and 2 Sets of Wireless Headphones
LPO, Utility Wall Package
Power Tech Package
Graphite Blue Metallic Edition
Skid Plate Package
(1)
Trailering Package
Fuel Economy Package
Max Trailering Pack
Enhanced Capability Package
Fleet Comfort Package
LPO, GMC Protection Package
(2)
Limited Personalization Option, Sierra Chrome Edition
Suspension Package, Off-Road"
Pro Grade Package
SLE1 Audio Package
Sierra Safety Plus Package
(1)
Entertainment Package
Kodiak 2.7L Promotional Package
Add Another Make
Mileage
Mileage
Any
Mileage
Any
Condition
(1 selected)
New
(14)
Used
(26)
Manufacturer Certified
(0)
Third-Party Certified
(0)
Certified Program
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New
(14)
Used
(26)
Manufacturer Certified
(0)
Third-Party Certified
(0)
Certified Program
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Color
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Drive Type
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Body Style
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Truck Cab Size
Crew Cab
(1)
Extended Cab
(1)
Regular Cab
(0)
Crew Cab
(1)
Extended Cab
(1)
Regular Cab
(0)
Truck Bed Length
Short
(12)
Medium
(14)
Long
(0)
Include unspecified lengths
(0)
Short
(12)
Medium
(14)
Long
(0)
Include unspecified lengths
(0)
Vehicle History
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Features
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Fuel Type
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Fuel Economy
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Transmission
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Cylinders
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Engine Displacement
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Number of Seats
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Purchase Options
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Used 2016 GMC Sierra 1500 SLE
27,251
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Used
2019 GMC Sierra 1500
SLE
73K mi
29,691
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2023 GMC Sierra 1500
SLE
75K mi
32,487
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2023 GMC Sierra 1500
SLE
14K mi
40,632
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Used
2023 GMC Sierra 1500
SLE
14K mi
40,632
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2016 GMC Sierra 1500
SLE
35K mi
27,251
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2026 GMC Sierra 1500
SLE
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2026 GMC Sierra 1500
SLE
519 mi
48,875
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Used
2019 GMC Sierra 1500
SLE
73K mi
29,691
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Great Price
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Used
2024 GMC Sierra 1500
SLE
23K mi
41,797
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Used
2023 GMC Sierra 1500
SLE
49K mi
35,736
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Used
2026 GMC Sierra 1500
SLE
872 mi
50,000
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No Accidents
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Used
2023 GMC Sierra 1500
SLE
75K mi
32,487
See payment
Good Price
Dealer Fees Included
No Accidents
Used
2019 GMC Sierra 1500
SLE
100K mi
26,347
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Great Price
Dealer Fees Included
No Accidents
Used
2019 GMC Sierra 1500
SLE
93K mi
25,998
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Newly Listed
Used
2014 GMC Sierra 1500
SLE
96K mi
18,390
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Dealer Fees Included
No Accidents
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Used
2006 GMC Sierra 1500
SLE
207K mi
9,980
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Dealer Fees Included
No Accidents
Used
2022 GMC Sierra 1500
SLE
68K mi
35,942
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No Accidents
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2017 GMC Sierra 1500
SLE
128K mi
20,500
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No Accidents
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Used
2015 GMC Sierra 1500
SLE
209K mi
12,080
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No Accidents
Newly Listed
Used
2018 GMC Sierra 1500
SLE
108K mi
22,991
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Good Price
Dealer Fees Included
No Accidents
Used
2017 GMC Sierra 1500
SLE
185K mi
20,988
See payment
Used
2024 GMC Sierra 1500
SLE
7K mi
39,849
See payment
Great Price
Dealer Fees Included
No Accidents
Used
2017 GMC Sierra 1500
SLE
85K mi
23,499
See payment
No Accidents
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